uptight

他在公开演讲前总是很紧张。

He always gets ___uptight before giving public speeches.

最近考试多，她变得特别紧张易怒。

She's been really ___uptight lately because of all the exams.

她太保守了，连穿牛仔裤都觉得不妥。

She's so ___uptight that she thinks wearing jeans is inappropriate.